Unity separates from the mothership and fires its own rocket engine to soar.

Unity with its wings folded at a high altitude. This is a “selfie” taken from its wing-tip camera.

The space travelers of Virgin Galactic in weightlessness, watching the Earth through windows. The person at the very front is Richard Branson, the founder of the Virgin Group.

The first space shuttle Columbia is landing.

Virgin Galactic's Unity is being tested for gliding and landing on the runway.

The New Shepard rocket is landing after separating the capsule.

The passengers are enjoying weightlessness.

The New Shepard rocket is landing after separating the capsule.

The passengers are enjoying weightlessness.

Blue Origin's first manned spaceship launch on July 20.